Home / 499,679,184.72-689,578,823.70-276,660,870.60

Finding the Fourth Proportional to 499,679,184.72, 689,578,823.70 and 276,660,870.60

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Solution

The fourth proportional to 499,679,184.72, 689,578,823.70 and 276,660,870.60 is: 381,803,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,679,184.72 : 689,578,823.70 = 276,660,870.60 : x
  2. Step 2: Convert to fraction form
    499,679,184.72/689,578,823.70 = 276,660,870.60/x
  3. Step 3: Cross multiply
    499,679,184.72x = 689,578,823.70 × 276,660,870.60
  4. Step 4: Simplify right side
    499,679,184.72x = 190,779,477,712,165,952
  5. Step 5: Solve for x
    x = 190,779,477,712,165,952/499,679,184.72
  6. Step 6: Final answer
    x = 381,803,932.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.